Explore topic-wise MCQs in Electronic Devices and Circuits.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices and Circuits knowledge and support exam preparation. Choose a topic below to get started.

1.

The most important consideration in power amplifier is ________

A. Biasing the circuit
B. Impedance Matching
C. Collector Efficiency
D. To keep the transformer cool
Answer» D. To keep the transformer cool
Discussion
2.

The Power amplifiers generally use transformer coupling because the transformer permits ________

A. Cooling of the circuit
B. Impedance Matching
C. Distortion less Output
D. Good Frequency Response
Answer» C. Distortion less Output
Discussion
3.

The disadvantage of impedance matching is that it ________

A. Gives distorted output
B. Gives low power output
C. Requires a transformer
D. None of the mentioned
Answer» B. Gives low power output
Discussion
4.

The maximum a.c. power output from a class B power amplifier is 10 W.
What should be the minimum power rating of the transistor used?

A. 10W
B. 15W
C. 4W
D. 20W
Answer» D. 20W
Discussion